.pkp_site_name_wrapper {
    background: url(https://delitarainstitute.com/public/site/pageHeaderTitleImage_en.jpg) no-repeat center center !important;
    background-size: cover !important;
    height: 20vw !important;
    max-height: 290px !important; 
    width: 100% !important;
}

@media (max-width: 768px) {
    .pkp_site_name_wrapper {
        height: 40vw !important;
        max-height: 200px !important;
    }
}

@media (max-width: 480px) {
    .pkp_site_name_wrapper {
        height: 50vw !important;       
        max-height: 150px !important;
    }
}


.pkp_site_name .is_img img {
    display: none !important;
}